Revenue (Tables)

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following tables present our revenues for the three and six months ended June 30, 2020 and 2019, disaggregated by major source (in thousands):

	Three Months Ended June 30, 2020
	Diagnostic Services		Diagnostic Imaging		Mobile Healthcare		Building and Construction		Real Estate and Investments		Total
Major Goods/Service Lines
Mobile Imaging	$	6,989	$	—	$	5,926	$	—	$	—	$	12,915
Camera	—		674		—		—		—		674
Camera Support	—		1,659		—		—		—		1,659
Healthcare Revenue from Contracts with Customers	6,989		2,333		5,926		—		—		15,248
Lease Income	151		—		1,906		62		—		2,119
Building and Construction	—		—		—		4,973		—		4,973
Real Estate and Investments	—		—		—		—		2		2
Total Revenues	$	7,140	$	2,333	$	7,832	$	5,035	$	2	$	22,342
Timing of Revenue Recognition
Services and goods transferred over time	$	7,140	$	1,518	$	7,776	$	61	$	—	$	16,495
Services and goods transferred at a point in time	—		815		56		4,974		2		5,847
Total Revenues	$	7,140	$	2,333	$	7,832	$	5,035	$	2	$	22,342

	Three Months Ended June 30, 2019
	Diagnostic Services		Diagnostic Imaging		Mobile Healthcare		Total
Major Goods/Service Lines
Mobile Imaging	$	12,148	$	—	$	8,085	$	20,233
Camera	—		1,494		—		1,494
Camera Support	—		1,555		—		1,555
Healthcare Revenue from Contracts with Customers	12,148		3,049		8,085		23,282
Lease Income	170		—		2,346		2,516
Total Revenues	$	12,318	$	3,049	$	10,431	$	25,798
Timing of Revenue Recognition
Services and goods transferred over time	$	12,318	$	1,500	$	10,268	$	24,086
Services and goods transferred at a point in time	—		1,549		163		1,712
Total Revenues	$	12,318	$	3,049	$	10,431	$	25,798

	Six Months Ended June 30, 2020
	Diagnostic Services		Diagnostic Imaging		Mobile Healthcare		Building and Construction		Real Estate and Investments		Total
Major Goods/Service Lines
Mobile Imaging	$	17,591	$	—	$	13,187	$	—	$	—	$	30,778
Camera	—		2,013		—		—		—		2,013
Camera Support	—		3,181		—		—		—		3,181
Healthcare Revenue from Contracts with Customers	17,591		5,194		13,187		—		—		35,972
Lease Income	363		—		4,312		146		—		4,821
Building and construction	—		—		—		10,373		—		10,373
Real Estate and Investments	—		—		—		—		33		33
Total Revenues	$	17,954	$	5,194	$	17,499	$	10,519	$	33	$	51,199
Timing of Revenue Recognition
Services and goods transferred over time	$	17,954	$	3,005	$	17,349	$	146	$	—	$	38,454
Services and goods transferred at a point in time	—		2,189		150		10,373		33		12,745
Total Revenues	$	17,954	$	5,194	$	17,499	$	10,519	$	33	$	51,199

Changes in Deferred Revenue

Changes in the deferred revenues for six months ended June 30, 2020, is as follows (in thousands):

Balance at December 31, 2019	$	1,801
Revenue recognized that was included in balance at beginning of the year	(1,103)
Deferred revenue, net, related to contracts entered into during the year	1,504
Balance at June 30, 2020	$	2,202